`1.` My sister looks after animals all day, she is good veterinarian

`-` take care of `=` look after : chăm sóc

`2.` Anna said that she liked to have a new smartphone for her birthday.

`-` Câu gián tiếp:
S  + said + (that) + S + V(lùi thì)

`-` lùi thì: HTĐ `->` QKĐ

`3.` Tenagers need to spend more time learning Englis every day

`-` It's necessary for sb to do sth

`=` S  +  need  + to_V   +  O

`->` ai đó cần làm gì

`4.` She asked me If I attended some extra class after school

`-` Câu gián tiếp dạng Yes/No question:
S  + asked + O + If/Whether + S + V(lùi thì)

`-` lùi thì: HTĐ `->` QKĐ

`1` My sister looks after animals all day, she is a good veterinarian.

`-` look after `=` take care of: chăm sóc cho

`2` Anna said that she liked to have a new smartphone for her birthday.

`-` Câu tường thuật dạng câu kể: 

`->` S + said + (that) + S + V(lùi thì)

`-` I `->` she

`-` hiện tại đơn `->` quá khứ đơn

`-` my `->` her

`3` Teenagers need to spend more time learning English every day.

`-` S + need + to V: cần làm gì

`4` She asked me if I attended some extra classes after school.

`-` Câu tường thuật với if/whether:

`->` S + asked + O + if/whether + S + V(lùi thì)

`-` you `->` I

`-` hiện tại đơn `->` quá khứ đơn